CLEVELAND -- With Apple's new iPhones hitting the market next week, many of you will soon be scrambling to see how much cash you can get for older iPhones and other branded smartphones.

I've checked more than four dozen buyback sites, e-stores and boutiques all promising to pay the most for used and even broken smartphones. Today I want to tackle the iPhone, but keep in mind most of the companies below will pay you for smartphones of other brands as well.

The carrier you're with also determines how much cash you'll receive. For example, trading in an iPhone 5 32GB in very good condition gets you the following amounts of cash:

T-Mobile: $330+

AT&T: $320+

Verizon: $320+

Sprint: $215+

Trading in an iPhone 4S 32GB in average condition gets you the follow amounts of cash: